The present invention relates to the use of predominantly known pyridyl carboxamide derivatives as nematicides, compositions containing such compounds and methods for the control of nematodes.USO DE COMPUESTOS DERIVADOS DE CETOAMINAS DE FÓRMULA (I) Y COMPOSICIONES QUE COMPRENDEN DICHOS COMPUESTOS, PARA COMBATIR NEMATODOS QUE AFECTAN PLANTAS DE INTERÉS